TABLE 4

Multivariable Logistic Model for Unplanned 7-Day Readmission With Statistical Interaction Between Malnutrition and Age

VariableLevelRegression Coefficients of Statistical InteractionOR (95% CI)P
SexFemaleReference.96
Male1.00 (0.86–1.15)
Race and ethnicityHispanicReference.13
White0.95 (0.79–1.14)
Asian0.85 (0.62–1.15)
Black or African American1.50 (1.03–2.14)
Other0.87 (0.65–1.14)
Age, y0.026<.001
PayerPrivate and/or nongovernmentalReference.46
Medicaid and/or low-income1.07 (0.90–1.26)
MalnutritionNoReference.007
Yes0.570
LACE variablesLOS1.28 (1.23–1.33)<.001
Acute and/or emergent admission1.08 (1.03–1.14).002
Comorbidity1.17 (1.11–1.23)<.001
ED visits1.16 (1.08–1.25)<.001
Malnutrition to age interaction term−0.068.002
  • —, not applicable.